Section [container] has no property [new_scopes_behavior] in create.sh

[mxgit1090]

I use the Qwiklab hand-on lab to practice Cloud SQL and the proxy container of k8s
When I start the script ./create.sh to deploy Cloud SQL instance and proxy container,
I found the error:

$ gcloud config set container/new_scopes_behavior true > /dev/null
# ERROR: (gcloud.config.set) Section [container] has no property [new_scopes_behavior].

It make all the creation processes stop!
I have no choice but to set constants and run the rest script file by file in ./script

It may need to be fixed for the new version